How do you mark correct answer on Chrome Mac OS X 10.7

There appears to be no way to comment or mark correct answer on the latest Chrome 20.0.1132.47 for Mac on OS X 10.7

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I always find chrome to have problems, it starts of seeming a little bit faster mainly because you can type into the addres box but eventually it always has a problem which cause you to re install it. I had a problem with it every week so i got rid.